diff options
-rw-r--r-- | erts/configure.in | 2 | ||||
-rw-r--r-- | erts/emulator/beam/io.c | 2 | ||||
-rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 242 | ||||
-rw-r--r-- | erts/preloaded/ebin/prim_inet.beam | bin | 71452 -> 73252 bytes | |||
-rw-r--r-- | erts/preloaded/src/prim_inet.erl | 70 | ||||
-rw-r--r-- | lib/kernel/doc/src/inet.xml | 92 | ||||
-rw-r--r-- | lib/kernel/src/inet.erl | 39 | ||||
-rw-r--r-- | lib/kernel/src/inet_int.hrl | 2 | ||||
-rw-r--r-- | lib/kernel/test/gen_sctp_SUITE.erl | 333 |
9 files changed, 662 insertions, 120 deletions
diff --git a/erts/configure.in b/erts/configure.in index 904544c85c..9d67837ff0 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -1658,7 +1658,7 @@ if test "x$enable_sctp" != "xno" ; then fi if test x"$ac_cv_header_netinet_sctp_h" = x"yes"; then - AC_CHECK_FUNCS([sctp_bindx sctp_peeloff]) + AC_CHECK_FUNCS([sctp_bindx sctp_peeloff sctp_getladdrs sctp_freeladdrs sctp_getpaddrs sctp_freepaddrs]) AC_CHECK_DECLS([SCTP_UNORDERED, SCTP_ADDR_OVER, SCTP_ABORT, SCTP_EOF, SCTP_SENDALL, SCTP_ADDR_CONFIRMED, SCTP_DELAYED_ACK_TIME, diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index b2803747eb..60c3ce2de5 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -4079,7 +4079,7 @@ erts_port_control(Process* c_p, copy = 1; else { binp = ((ProcBin *) ebinp)->val; - ASSERT(bufp < bufp + size); + ASSERT(bufp <= bufp + size); ASSERT(binp->orig_bytes <= bufp && bufp + size <= binp->orig_bytes + binp->orig_size); erts_refc_inc(&binp->refc, 1); diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 4fb20bf1b0..978a766de9 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -424,13 +424,44 @@ static unsigned long one_value = 1; # define sctp_adaptation_layer_event sctp_adaption_layer_event #endif -#ifdef __GNUC__ +#if defined(__GNUC__) && defined(HAVE_SCTP_BINDX) static typeof(sctp_bindx) *p_sctp_bindx = NULL; +#else +static int (*p_sctp_bindx) + (int sd, struct sockaddr *addrs, int addrcnt, int flags) = NULL; +#endif + +#if defined(__GNUC__) && defined(HAVE_SCTP_PEELOFF) static typeof(sctp_peeloff) *p_sctp_peeloff = NULL; #else -static int (*p_sctp_bindx)(int sd, struct sockaddr *addrs, - int addrcnt, int flags) = NULL; -static int (*p_sctp_peeloff)(int sd, sctp_assoc_t assoc_id) = NULL; +static int (*p_sctp_peeloff) + (int sd, sctp_assoc_t assoc_id) = NULL; +#endif + +#if defined(__GNUC__) && defined(HAVE_SCTP_GETLADDRS) +static typeof(sctp_getladdrs) *p_sctp_getladdrs = NULL; +#else +static int (*p_sctp_getladdrs) + (int sd, sctp_assoc_t assoc_id, struct sockaddr **ss) = NULL; +#endif + +#if defined(__GNUC__) && defined(HAVE_SCTP_FREELADDRS) +static typeof(sctp_freeladdrs) *p_sctp_freeladdrs = NULL; +#else +static void (*p_sctp_freeladdrs)(struct sockaddr *addrs) = NULL; +#endif + +#if defined(__GNUC__) && defined(HAVE_SCTP_GETPADDRS) +static typeof(sctp_getpaddrs) *p_sctp_getpaddrs = NULL; +#else +static int (*p_sctp_getpaddrs) + (int sd, sctp_assoc_t assoc_id, struct sockaddr **ss) = NULL; +#endif + +#if defined(__GNUC__) && defined(HAVE_SCTP_FREEPADDRS) +static typeof(sctp_freepaddrs) *p_sctp_freepaddrs = NULL; +#else +static void (*p_sctp_freepaddrs)(struct sockaddr *addrs) = NULL; #endif #endif /* #if defined(HAVE_SCTP_H) */ @@ -601,7 +632,7 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n) #define INET_F_BUSY 0x0080 #define INET_F_MULTI_CLIENT 0x0100 /* Multiple clients for one descriptor, i.e. multi-accept */ -/* One numberspace for *_REC_* so if an e.g UDP request is issued +/* One numberspace for *_REQ_* so if an e.g UDP request is issued ** for a TCP socket, the driver can protest. */ #define INET_REQ_OPEN 1 @@ -632,6 +663,8 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n) #define INET_REQ_ACCEPT 26 #define INET_REQ_LISTEN 27 #define INET_REQ_IGNOREFD 28 +#define INET_REQ_GETLADDRS 29 +#define INET_REQ_GETPADDRS 30 /* TCP requests */ /* #define TCP_REQ_ACCEPT 40 MOVED */ @@ -1441,8 +1474,7 @@ static int load_ip_address(ErlDrvTermData* spec, int i, int family, char* buf) #ifdef HAVE_SCTP /* For SCTP, we often need to return {IP, Port} tuples: */ -static int inet_get_address - (int family, char* dst, inet_address* src, unsigned int* len); +static int inet_get_address(char* dst, inet_address* src, unsigned int* len); #define LOAD_IP_AND_PORT_CNT \ (8*LOAD_INT_CNT + LOAD_TUPLE_CNT + LOAD_INT_CNT + LOAD_TUPLE_CNT) @@ -1457,8 +1489,7 @@ static int load_ip_and_port unsigned int len = sizeof(struct sockaddr_storage); unsigned int alen = len; char abuf [len]; - int res = - inet_get_address(desc->sfamily, abuf, (inet_address*) addr, &alen); + int res = inet_get_address(abuf, (inet_address*) addr, &alen); ASSERT(res==0); res = 0; /* Now "abuf" contains: Family(1b), Port(2b), IP(4|16b) */ @@ -3712,9 +3743,27 @@ static int inet_init() /* Check the size of SCTP AssocID -- currently both this driver and the Erlang part require 32 bit: */ ASSERT(sizeof(sctp_assoc_t)==ASSOC_ID_LEN); -# if defined(HAVE_SCTP_BINDX) && defined (HAVE_SCTP_PEELOFF) +# if defined(HAVE_SCTP_BINDX) p_sctp_bindx = sctp_bindx; +# if defined(HAVE_SCTP_PEELOFF) p_sctp_peeloff = sctp_peeloff; +# else + p_sctp_peeloff = NULL; +# endif +# if defined(HAVE_SCTP_GETLADDRS) && defined(HAVE_SCTP_FREELADDRS) + p_sctp_getladdrs = sctp_getladdrs; + p_sctp_freeladdrs = sctp_freeladdrs; +# else + p_sctp_getladdrs = NULL; + p_sctp_freeladdrs = NULL; +# endif +# if defined(HAVE_SCTP_GETPADDRS) && defined(HAVE_SCTP_FREEPADDRS) + p_sctp_getpaddrs = sctp_getpaddrs; + p_sctp_freepaddrs = sctp_freepaddrs; +# else + p_sctp_getpaddrs = NULL; + p_sctp_freepaddrs = NULL; +# endif inet_init_sctp(); add_driver_entry(&sctp_inet_driver_entry); # else @@ -3729,12 +3778,36 @@ static int inet_init() void *ptr; if (erts_sys_ddll_sym(h_libsctp, "sctp_bindx", &ptr) == 0) { p_sctp_bindx = ptr; - inet_init_sctp(); - add_driver_entry(&sctp_inet_driver_entry); if (erts_sys_ddll_sym(h_libsctp, "sctp_peeloff", &ptr) == 0) { p_sctp_peeloff = ptr; } + else p_sctp_peeloff = NULL; + if (erts_sys_ddll_sym(h_libsctp, "sctp_getladdrs", &ptr) == 0) { + p_sctp_getladdrs = ptr; + } + else p_sctp_getladdrs = NULL; + if (erts_sys_ddll_sym(h_libsctp, "sctp_freeladdrs", &ptr) == 0) { + p_sctp_freeladdrs = ptr; + } + else { + p_sctp_freeladdrs = NULL; + p_sctp_getladdrs = NULL; + } + if (erts_sys_ddll_sym(h_libsctp, "sctp_getpaddrs", &ptr) == 0) { + p_sctp_getpaddrs = ptr; + } + else p_sctp_getpaddrs = NULL; + if (erts_sys_ddll_sym(h_libsctp, "sctp_freepaddrs", &ptr) == 0) { + p_sctp_freepaddrs = ptr; + } + else { + p_sctp_freepaddrs = NULL; + p_sctp_getpaddrs = NULL; + } + inet_init_sctp(); + add_driver_entry(&sctp_inet_driver_entry); } + else p_sctp_bindx = NULL; } } # endif @@ -3889,10 +3962,12 @@ static char *inet_set_faddress(int family, inet_address* dst, ** and *len is the length of dst on return ** (suitable to deliver to erlang) */ -static int inet_get_address(int family, char* dst, inet_address* src, unsigned int* len) +static int inet_get_address(char* dst, inet_address* src, unsigned int* len) { + int family; short port; + family = src->sa.sa_family; if ((family == AF_INET) && (*len >= sizeof(struct sockaddr_in))) { dst[0] = INET_AF_INET; port = sock_ntohs(src->sai.sin_port); @@ -3914,6 +3989,75 @@ static int inet_get_address(int family, char* dst, inet_address* src, unsigned i return -1; } +/* Same as the above, but take family from the address structure, +** and advance the address pointer to the next address +** according to the size of the current, +** and return the resulting encoded size +*/ +static int inet_address_to_erlang(char *dst, inet_address **src) { + short port; + + switch ((*src)->sa.sa_family) { + case AF_INET: + if (dst) { + dst[0] = INET_AF_INET; + port = sock_ntohs((*src)->sai.sin_port); + put_int16(port, dst+1); + sys_memcpy(dst+1+2, (char *) &(*src)->sai.sin_addr, 4); + } + (*src) = (inet_address *) (&(*src)->sai + 1); + return 1 + 2 + 4; +#if defined(HAVE_IN6) && defined(AF_INET6) + case AF_INET6: + if (dst) { + dst[0] = INET_AF_INET6; + port = sock_ntohs((*src)->sai6.sin6_port); + put_int16(port, dst+1); + VALGRIND_MAKE_MEM_DEFINED(&(*src)->sai6.sin6_addr,16); /* false undefs from syscall sctp_get[lp]addrs */ + sys_memcpy(dst+1+2, (char *) &(*src)->sai6.sin6_addr, 16); + } + (*src) = (inet_address *) (&(*src)->sai6 + 1); + return 1 + 2 + 16; +#endif + default: + return -1; + } +} + +/* Encode n encoded addresses from addrs in the result buffer +*/ +static ErlDrvSizeT reply_inet_addrs +(int n, inet_address *addrs, char **rbuf, ErlDrvSizeT rsize) { + inet_address *ia; + int i, s; + ErlDrvSizeT rlen; + + if (IS_SOCKET_ERROR(n)) return ctl_error(sock_errno(), rbuf, rsize); + if (n == 0) return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize); + + /* Calculate result length */ + rlen = 1; + ia = addrs; + for (i = 0; i < n; i++) { + s = inet_address_to_erlang(NULL, &ia); + if (s < 0) break; + rlen += s; + } + + if (rlen > rsize) (*rbuf) = ALLOC(rlen); + + (*rbuf)[0] = INET_REP_OK; + rlen = 1; + ia = addrs; + for (i = 0; i < n; i++) { + s = inet_address_to_erlang((*rbuf)+rlen, &ia); + if (s < 0) break; + rlen += s; + } + + return rlen; +} + static void desc_close(inet_descriptor* desc) { if (desc->s != INVALID_SOCKET) { @@ -7978,6 +8122,39 @@ static ErlDrvSSizeT inet_ctl(inet_descriptor* desc, int cmd, char* buf, return ctl_reply(INET_REP_OK, tbuf, strlen(tbuf), rbuf, rsize); } + case INET_REQ_GETPADDRS: { + DEBUGF(("inet_ctl(%ld): INET_GETPADDRS\r\n", (long)desc->port)); + + if (len != 4) return ctl_error(EINVAL, rbuf, rsize); + + if (! IS_OPEN(desc)) return ctl_xerror(EXBADPORT, rbuf, rsize); + if (! IS_BOUND(desc)) return ctl_xerror(EXBADSEQ, rbuf, rsize); + +#ifdef HAVE_SCTP + if (IS_SCTP(desc) && p_sctp_getpaddrs) { + struct sockaddr *sa; + Uint32 assoc_id; + int n; + ErlDrvSizeT rlen; + + assoc_id = get_int32(buf); + n = p_sctp_getpaddrs(desc->s, assoc_id, &sa); + rlen = reply_inet_addrs(n, (inet_address *) sa, rbuf, rsize); + if (n > 0) p_sctp_freepaddrs(sa); + return rlen; + } +#endif + { /* Fallback to sock_peer */ + inet_address addr; + unsigned int sz; + int i; + + sz = sizeof(addr); + i = sock_peer(desc->s, (struct sockaddr *) &addr, &sz); + return reply_inet_addrs(i >= 0 ? 1 : i, &addr, rbuf, rsize); + } + } + case INET_REQ_PEER: { /* get peername */ char tbuf[sizeof(inet_address)]; inet_address peer; @@ -7993,7 +8170,7 @@ static ErlDrvSSizeT inet_ctl(inet_descriptor* desc, int cmd, char* buf, if (IS_SOCKET_ERROR(sock_peer(desc->s, (struct sockaddr*)ptr,&sz))) return ctl_error(sock_errno(), rbuf, rsize); } - if (inet_get_address(desc->sfamily, tbuf, ptr, &sz) < 0) + if (inet_get_address(tbuf, ptr, &sz) < 0) return ctl_error(EINVAL, rbuf, rsize); return ctl_reply(INET_REP_OK, tbuf, sz, rbuf, rsize); } @@ -8014,6 +8191,39 @@ static ErlDrvSSizeT inet_ctl(inet_descriptor* desc, int cmd, char* buf, } } + case INET_REQ_GETLADDRS: { + DEBUGF(("inet_ctl(%ld): INET_GETLADDRS\r\n", (long)desc->port)); + + if (len != 4) return ctl_error(EINVAL, rbuf, rsize); + + if (! IS_OPEN(desc)) return ctl_xerror(EXBADPORT, rbuf, rsize); + if (! IS_BOUND(desc)) return ctl_xerror(EXBADSEQ, rbuf, rsize); + +#ifdef HAVE_SCTP + if (IS_SCTP(desc) && p_sctp_getladdrs) { + struct sockaddr *sa; + Uint32 assoc_id; + int n; + ErlDrvSizeT rlen; + + assoc_id = get_int32(buf); + n = p_sctp_getladdrs(desc->s, assoc_id, &sa); + rlen = reply_inet_addrs(n, (inet_address *) sa, rbuf, rsize); + if (n > 0) p_sctp_freeladdrs(sa); + return rlen; + } +#endif + { /* Fallback to sock_name */ + inet_address addr; + unsigned int sz; + int i; + + sz = sizeof(addr); + i = sock_name(desc->s, (struct sockaddr *) &addr, &sz); + return reply_inet_addrs(i >= 0 ? 1 : i, &addr, rbuf, rsize); + } + } + case INET_REQ_NAME: { /* get sockname */ char tbuf[sizeof(inet_address)]; inet_address name; @@ -8030,7 +8240,7 @@ static ErlDrvSSizeT inet_ctl(inet_descriptor* desc, int cmd, char* buf, if (IS_SOCKET_ERROR(sock_name(desc->s, (struct sockaddr*)ptr, &sz))) return ctl_error(sock_errno(), rbuf, rsize); } - if (inet_get_address(desc->sfamily, tbuf, ptr, &sz) < 0) + if (inet_get_address(tbuf, ptr, &sz) < 0) return ctl_error(EINVAL, rbuf, rsize); return ctl_reply(INET_REP_OK, tbuf, sz, rbuf, rsize); } @@ -10869,7 +11079,7 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event) inet_input_count(desc, n); udesc->i_ptr += n; - inet_get_address(desc->sfamily, abuf, &other, &len); + inet_get_address(abuf, &other, &len); /* Copy formatted address to the buffer allocated; "len" is the actual length which must be <= than the original reserved. This means that the addr + data in the buffer are contiguous, diff --git a/erts/preloaded/ebin/prim_inet.beam b/erts/preloaded/ebin/prim_inet.beam Binary files differindex deed86816e..3870e41e67 100644 --- a/erts/preloaded/ebin/prim_inet.beam +++ b/erts/preloaded/ebin/prim_inet.beam diff --git a/erts/preloaded/src/prim_inet.erl b/erts/preloaded/src/prim_inet.erl index 69eed716ff..430313a459 100644 --- a/erts/preloaded/src/prim_inet.erl +++ b/erts/preloaded/src/prim_inet.erl @@ -41,8 +41,8 @@ getifaddrs/1, getiflist/1, ifget/3, ifset/3, gethostname/1]). -export([getservbyname/3, getservbyport/3]). --export([peername/1, setpeername/2]). --export([sockname/1, setsockname/2]). +-export([peername/1, setpeername/2, peernames/1, peernames/2]). +-export([sockname/1, setsockname/2, socknames/1, socknames/2]). -export([attach/1, detach/1]). -include("inet_sctp.hrl"). @@ -576,6 +576,36 @@ setpeername(S, undefined) when is_port(S) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% +%% PEERNAMES(insock()) -> {ok, [{IP, Port}, ...]} | {error, Reason} +%% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +peernames(S) when is_port(S) -> + peernames(S, undefined). + +peernames(S, #sctp_assoc_change{assoc_id=AssocId}) when is_port(S) -> + peernames(S, AssocId); +peernames(S, AssocId) + when is_port(S), is_integer(AssocId); + is_port(S), AssocId =:= undefined -> + Q = get, + Type = [[sctp_assoc_id,0]], + case type_value(Q, Type, AssocId) of + true -> + case ctl_cmd + (S, ?INET_REQ_GETPADDRS, + enc_value(Q, Type, AssocId)) of + {ok,Addrs} -> + {ok,get_addrs(Addrs)}; + Error -> + Error + end; + false -> + {error,einval} + end. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% %% SOCKNAME(insock()) -> {ok, {IP, Port}} | {error, Reason} %% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -601,6 +631,36 @@ setsockname(S, undefined) when is_port(S) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% +%% SOCKNAMES(insock()) -> {ok, [{IP, Port}, ...]} | {error, Reason} +%% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +socknames(S) when is_port(S) -> + socknames(S, undefined). + +socknames(S, #sctp_assoc_change{assoc_id=AssocId}) when is_port(S) -> + socknames(S, AssocId); +socknames(S, AssocId) + when is_port(S), is_integer(AssocId); + is_port(S), AssocId =:= undefined -> + Q = get, + Type = [[sctp_assoc_id,0]], + case type_value(Q, Type, AssocId) of + true -> + case ctl_cmd + (S, ?INET_REQ_GETLADDRS, + enc_value(Q, Type, AssocId)) of + {ok,Addrs} -> + {ok,get_addrs(Addrs)}; + Error -> + Error + end; + false -> + {error,einval} + end. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% %% SETOPT(insock(), Opt, Value) -> ok | {error, Reason} %% SETOPTS(insock(), [{Opt,Value}]) -> ok | {error, Reason} %% @@ -2225,6 +2285,12 @@ ip6_to_bytes({A,B,C,D,E,F,G,H}) -> [?int16(A), ?int16(B), ?int16(C), ?int16(D), ?int16(E), ?int16(F), ?int16(G), ?int16(H)]. +get_addrs([]) -> + []; +get_addrs([F,P1,P0|Addr]) -> + {IP,Addrs} = get_ip(F, Addr), + [{IP,?u16(P1, P0)}|get_addrs(Addrs)]. + get_ip(?INET_AF_INET, Addr) -> get_ip4(Addr); get_ip(?INET_AF_INET6, Addr) -> get_ip6(Addr). diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml index fb8bf32978..4a48a5c3d8 100644 --- a/lib/kernel/doc/src/inet.xml +++ b/lib/kernel/doc/src/inet.xml @@ -430,8 +430,56 @@ fe80::204:acff:fe17:bf38 <name name="peername" arity="1"/> <fsummary>Return the address and port for the other end of a connection</fsummary> <desc> - <p>Returns the address and port for the other end of a - connection.</p> + <p> + Returns the address and port for the other end of a + connection. + </p> + <p> + Note that for SCTP sockets this function only returns + one of the socket's peer addresses. The function + <seealso marker="#peernames/1">peernames/1,2</seealso> + returns all. + </p> + </desc> + </func> + <func> + <name name="peernames" arity="1"/> + <fsummary> + Return all address/port numbers for the other end of a connection + </fsummary> + <desc> + <p> + Equivalent to + <seealso marker="#peernames/2"><c>peernames(<anno>Socket</anno>, 0)</c></seealso>. + Note that this function's behaviour for an SCTP + one-to-many style socket is not defined by the + <url href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">SCTP Sockets API Extensions</url>. + </p> + </desc> + </func> + <func> + <name name="peernames" arity="2"/> + <fsummary> + Return all address/port numbers for the other end of a connection + </fsummary> + <desc> + <p> + Returns a list of all address/port number pairs for the other end + of a socket's association <c><anno>Assoc</anno></c>. + </p> + <p> + This function can return multiple addresses for multihomed + sockets such as SCTP sockets. For other sockets it + returns a one element list. + </p> + <p> + Note that the <c><anno>Assoc</anno></c> parameter is by the + <url href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">SCTP Sockets API Extensions</url> + defined to be ignored for + one-to-one style sockets. What the special value <c>0</c> + means hence its behaviour for one-to-many style sockets + is unfortunately not defined. + </p> </desc> </func> <func> @@ -446,6 +494,46 @@ fe80::204:acff:fe17:bf38 <fsummary>Return the local address and port number for a socket</fsummary> <desc> <p>Returns the local address and port number for a socket.</p> + <p> + Note that for SCTP sockets this function only returns + one of the socket addresses. The function + <seealso marker="#socknames/1">socknames/1,2</seealso> + returns all. + </p> + </desc> + </func> + <func> + <name name="socknames" arity="1"/> + <fsummary>Return all local address/port numbers for a socket</fsummary> + <desc> + <p> + Equivalent to + <seealso marker="#socknames/2"><c>socknames(<anno>Socket</anno>, 0)</c></seealso>. + </p> + </desc> + </func> + <func> + <name name="socknames" arity="2"/> + <fsummary>Return all local address/port numbers for a socket</fsummary> + <desc> + <p> + Returns a list of all local address/port number pairs for a socket + for the given association <c><anno>Assoc</anno></c>. + </p> + <p> + This function can return multiple addresses for multihomed + sockets such as SCTP sockets. For other sockets it + returns a one element list. + </p> + <p> + Note that the <c><anno>Assoc</anno></c> parameter is by the + <url href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">SCTP Sockets API Extensions</url> + defined to be ignored for one-to-one style sockets. + For one-to-many style sockets the special value <c>0</c> + is defined to mean that the returned addresses shall be + without regard to any particular association. + How different SCTP implementations interprets this varies somewhat. + </p> </desc> </func> <func> diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl index ea06a07bb3..792593246a 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -24,6 +24,7 @@ %% socket -export([peername/1, sockname/1, port/1, send/2, + peernames/1, peernames/2, socknames/1, socknames/2, setopts/2, getopts/2, getifaddrs/0, getifaddrs/1, getif/1, getif/0, getiflist/0, getiflist/1, @@ -157,6 +158,7 @@ close(Socket) -> ok end. + -spec peername(Socket) -> {ok, {Address, Port}} | {error, posix()} when Socket :: socket(), Address :: ip_address(), @@ -173,6 +175,24 @@ setpeername(Socket, {IP,Port}) -> setpeername(Socket, undefined) -> prim_inet:setpeername(Socket, undefined). +-spec peernames(Socket) -> {ok, [{Address, Port}]} | {error, posix()} when + Socket :: socket(), + Address :: ip_address(), + Port :: non_neg_integer(). + +peernames(Socket) -> + prim_inet:peernames(Socket). + +-spec peernames(Socket, Assoc) -> + {ok, [{Address, Port}]} | {error, posix()} when + Socket :: socket(), + Assoc :: #sctp_assoc_change{} | gen_sctp:assoc_id(), + Address :: ip_address(), + Port :: non_neg_integer(). + +peernames(Socket, Assoc) -> + prim_inet:peernames(Socket, Assoc). + -spec sockname(Socket) -> {ok, {Address, Port}} | {error, posix()} when Socket :: socket(), @@ -190,6 +210,25 @@ setsockname(Socket, {IP,Port}) -> setsockname(Socket, undefined) -> prim_inet:setsockname(Socket, undefined). +-spec socknames(Socket) -> {ok, [{Address, Port}]} | {error, posix()} when + Socket :: socket(), + Address :: ip_address(), + Port :: non_neg_integer(). + +socknames(Socket) -> + prim_inet:socknames(Socket). + +-spec socknames(Socket, Assoc) -> + {ok, [{Address, Port}]} | {error, posix()} when + Socket :: socket(), + Assoc :: #sctp_assoc_change{} | gen_sctp:assoc_id(), + Address :: ip_address(), + Port :: non_neg_integer(). + +socknames(Socket, Assoc) -> + prim_inet:socknames(Socket, Assoc). + + -spec port(Socket) -> {'ok', Port} | {'error', any()} when Socket :: socket(), Port :: port_number(). diff --git a/lib/kernel/src/inet_int.hrl b/lib/kernel/src/inet_int.hrl index 024a5fd3b6..889b596a22 100644 --- a/lib/kernel/src/inet_int.hrl +++ b/lib/kernel/src/inet_int.hrl @@ -87,6 +87,8 @@ -define(INET_REQ_ACCEPT, 26). -define(INET_REQ_LISTEN, 27). -define(INET_REQ_IGNOREFD, 28). +-define(INET_REQ_GETLADDRS, 29). +-define(INET_REQ_GETPADDRS, 30). %% TCP requests %%-define(TCP_REQ_ACCEPT, 40). MOVED diff --git a/lib/kernel/test/gen_sctp_SUITE.erl b/lib/kernel/test/gen_sctp_SUITE.erl index 6dad52395b..881aaed429 100644 --- a/lib/kernel/test/gen_sctp_SUITE.erl +++ b/lib/kernel/test/gen_sctp_SUITE.erl @@ -1,4 +1,4 @@ -%% +%% %% %CopyrightBegin% %% %% Copyright Ericsson AB 2007-2013. All Rights Reserved. @@ -37,7 +37,9 @@ open_multihoming_ipv4_and_ipv6_socket/1, basic_stream/1, xfer_stream_min/1, active_n/1, peeloff_active_once/1, peeloff_active_true/1, peeloff_active_n/1, - buffers/1]). + buffers/1, + names_unihoming_ipv4/1, names_unihoming_ipv6/1, + names_multihoming_ipv4/1, names_multihoming_ipv6/1]). suite() -> [{ct_hooks,[ts_install_cth]}]. @@ -49,7 +51,9 @@ all() -> open_multihoming_ipv6_socket, open_multihoming_ipv4_and_ipv6_socket, active_n, basic_stream, xfer_stream_min, peeloff_active_once, - peeloff_active_true, peeloff_active_n, buffers]. + peeloff_active_true, peeloff_active_n, buffers, + names_unihoming_ipv4, names_unihoming_ipv6, + names_multihoming_ipv4, names_multihoming_ipv6]. groups() -> []. @@ -108,7 +112,7 @@ xfer_min(Config) when is_list(Config) -> ?line {ok,Sb} = gen_sctp:open([{type,seqpacket}]), ?line {ok,Pb} = inet:port(Sb), ?line ok = gen_sctp:listen(Sb, true), - + ?line {ok,Sa} = gen_sctp:open(), ?line {ok,Pa} = inet:port(Sa), ?line {ok,#sctp_assoc_change{state=comm_up, @@ -119,18 +123,18 @@ xfer_min(Config) when is_list(Config) -> gen_sctp:connect(Sa, Loopback, Pb, []), ?line {SbAssocId,SaOutboundStreams,SaInboundStreams} = case recv_event(log_ok(gen_sctp:recv(Sb, infinity))) of - {Loopback,Pa, - #sctp_assoc_change{state=comm_up, - error=0, - outbound_streams=SbOutboundStreams, - inbound_streams=SbInboundStreams, - assoc_id=AssocId}} -> - {AssocId,SbInboundStreams,SbOutboundStreams}; - {Loopback,Pa, - #sctp_paddr_change{state=addr_confirmed, - addr={Loopback,Pa}, - error=0, - assoc_id=AssocId}} -> + {Loopback,Pa, + #sctp_assoc_change{state=comm_up, + error=0, + outbound_streams=SbOutboundStreams, + inbound_streams=SbInboundStreams, + assoc_id=AssocId}} -> + {AssocId,SbInboundStreams,SbOutboundStreams}; + {Loopback,Pa, + #sctp_paddr_change{state=addr_confirmed, + addr={Loopback,Pa}, + error=0, + assoc_id=AssocId}} -> {Loopback,Pa, #sctp_assoc_change{state=comm_up, error=0, @@ -149,17 +153,20 @@ xfer_min(Config) when is_list(Config) -> assoc_id=SbAssocId}], Data} -> ok; Event1 -> - {Loopback,Pa, - #sctp_paddr_change{addr = {Loopback,_}, - state = addr_available, - error = 0, - assoc_id = SbAssocId}} = - recv_event(Event1), - {ok,{Loopback, - Pa, - [#sctp_sndrcvinfo{stream=Stream, - assoc_id=SbAssocId}], - Data}} = gen_sctp:recv(Sb, infinity) + case recv_event(Event1) of + {Loopback,Pa, + #sctp_paddr_change{addr = {Loopback,_}, + state = State, + error = 0, + assoc_id = SbAssocId}} + when State =:= addr_available; + State =:= addr_confirmed -> + {Loopback, + Pa, + [#sctp_sndrcvinfo{stream=Stream, + assoc_id=SbAssocId}], + Data} = log_ok(gen_sctp:recv(Sb, infinity)) + end end, ?line ok = gen_sctp:send(Sb, SbAssocId, 0, Data), ?line case log_ok(gen_sctp:recv(Sa, infinity)) of @@ -198,7 +205,7 @@ xfer_min(Config) when is_list(Config) -> recv_event(log_ok(gen_sctp:recv(Sb, infinity))), ?line ok = gen_sctp:close(Sa), ?line ok = gen_sctp:close(Sb), - + ?line receive Msg -> test_server:fail({received,Msg}) after 17 -> ok @@ -217,7 +224,7 @@ xfer_active(Config) when is_list(Config) -> ?line {ok,Sb} = gen_sctp:open([{active,true}]), ?line {ok,Pb} = inet:port(Sb), ?line ok = gen_sctp:listen(Sb, true), - + ?line {ok,Sa} = gen_sctp:open([{active,true}]), ?line {ok,Pa} = inet:port(Sa), ?line ok = gen_sctp:connect_init(Sa, Loopback, Pb, []), @@ -349,7 +356,7 @@ def_sndrcvinfo(Config) when is_list(Config) -> %% ?line S1 = log_ok(gen_sctp:open( - 0, [{sctp_default_send_param,#sctp_sndrcvinfo{ppid=17}}])), + 0, [{sctp_default_send_param,#sctp_sndrcvinfo{ppid=17}}])), ?LOGVAR(S1), ?line P1 = log_ok(inet:port(S1)), @@ -456,18 +463,22 @@ def_sndrcvinfo(Config) when is_list(Config) -> stream=1, ppid=0, context=0, assoc_id=S1AssocId}], <<"3: ",Data/binary>>} -> ok; Event2 -> - {Loopback,P2, - #sctp_paddr_change{ - addr={Loopback,_}, state=addr_available, - error=0, assoc_id=S1AssocId}} = - recv_event(Event2), - ?line case log_ok(gen_sctp:recv(S1)) of - {Loopback,P2, - [#sctp_sndrcvinfo{ - stream=1, ppid=0, context=0, - assoc_id=S1AssocId}], - <<"3: ",Data/binary>>} -> ok - end + case recv_event(Event2) of + {Loopback,P2, + #sctp_paddr_change{ + addr={Loopback,_}, + state=State, + error=0, assoc_id=S1AssocId}} + when State =:= addr_available; + State =:= addr_confirmed -> + ?line case log_ok(gen_sctp:recv(S1)) of + {Loopback,P2, + [#sctp_sndrcvinfo{ + stream=1, ppid=0, context=0, + assoc_id=S1AssocId}], + <<"3: ",Data/binary>>} -> ok + end + end end, ?line ok = do_from_other_process( @@ -510,6 +521,13 @@ log_ok(X) -> log(ok(X)). ok({ok,X}) -> X. +err([], Result) -> + erlang:error(Result); +err([Reason|_], {error,Reason}) -> + ok; +err([_|Reasons], Result) -> + err(Reasons, Result). + log(X) -> io:format("LOG[~w]: ~p~n", [self(),X]), X. @@ -530,57 +548,57 @@ api_open_close(Config) when is_list(Config) -> ?line {ok,S1} = gen_sctp:open(0), ?line {ok,P} = inet:port(S1), ?line ok = gen_sctp:close(S1), - + ?line {ok,S2} = gen_sctp:open(P), ?line {ok,P} = inet:port(S2), ?line ok = gen_sctp:close(S2), - + ?line {ok,S3} = gen_sctp:open([{port,P}]), ?line {ok,P} = inet:port(S3), ?line ok = gen_sctp:close(S3), - + ?line {ok,S4} = gen_sctp:open(P, []), ?line {ok,P} = inet:port(S4), ?line ok = gen_sctp:close(S4), - + ?line {ok,S5} = gen_sctp:open(P, [{ifaddr,any}]), ?line {ok,P} = inet:port(S5), ?line ok = gen_sctp:close(S5), ?line ok = gen_sctp:close(S5), - + ?line try gen_sctp:close(0) catch error:badarg -> ok end, - + ?line try gen_sctp:open({}) catch error:badarg -> ok end, - + ?line try gen_sctp:open(-1) catch error:badarg -> ok end, - + ?line try gen_sctp:open(65536) catch error:badarg -> ok end, - + ?line try gen_sctp:open(make_ref(), []) catch error:badarg -> ok end, - + ?line try gen_sctp:open(0, {}) catch error:badarg -> ok end, - + ?line try gen_sctp:open(0, [make_ref()]) catch error:badarg -> ok end, - + ?line try gen_sctp:open([{invalid_option,0}]) catch error:badarg -> ok end, - + ?line try gen_sctp:open(0, [{mode,invalid_mode}]) catch error:badarg -> ok end, @@ -592,11 +610,11 @@ api_listen(suite) -> []; api_listen(Config) when is_list(Config) -> ?line Localhost = {127,0,0,1}, - + ?line try gen_sctp:listen(0, true) catch error:badarg -> ok end, - + ?line {ok,S} = gen_sctp:open(), ?line {ok,Pb} = inet:port(S), ?line try gen_sctp:listen(S, not_allowed_for_listen) @@ -604,7 +622,7 @@ api_listen(Config) when is_list(Config) -> end, ?line ok = gen_sctp:close(S), ?line {error,closed} = gen_sctp:listen(S, true), - + ?line {ok,Sb} = gen_sctp:open(Pb), ?line {ok,Sa} = gen_sctp:open(), ?line case gen_sctp:connect(Sa, localhost, Pb, []) of @@ -616,8 +634,8 @@ api_listen(Config) when is_list(Config) -> gen_sctp:recv(Sa, infinity); {error,#sctp_assoc_change{state=cant_assoc}} -> ok%; - %% {error,{Localhost,Pb,_,#sctp_assoc_change{state=cant_assoc}}} -> - %% ok + %% {error,{Localhost,Pb,_,#sctp_assoc_change{state=cant_assoc}}} -> + %% ok end, ?line ok = gen_sctp:listen(Sb, true), ?line {ok,#sctp_assoc_change{state=comm_up, @@ -941,23 +959,36 @@ xfer_stream_min(Config) when is_list(Config) -> ?line SbOutboundStreams = SaInboundStreams, ?line ?LOGVAR(SbOutboundStreams), ?line ok = gen_sctp:send(Sa, SaAssocId, 0, Data), - ?line case gen_sctp:recv(Sb, infinity) of - {ok,{Loopback, + ?line case log_ok(gen_sctp:recv(Sb, infinity)) of + {Loopback, + Pa, + [#sctp_sndrcvinfo{stream=Stream, + assoc_id=SbAssocId}], + Data} -> ok; + {Loopback, + Pa,[], + #sctp_paddr_change{addr = {Loopback,_}, + state = addr_available, + error = 0, + assoc_id = SbAssocId}} -> + {Loopback, + Pa, + [#sctp_sndrcvinfo{stream=Stream, + assoc_id=SbAssocId}], + Data} = log_ok(gen_sctp:recv(Sb, infinity)); + {Loopback, + Pa, + [#sctp_sndrcvinfo{stream=Stream, + assoc_id=SbAssocId}], + #sctp_paddr_change{addr = {Loopback,_}, + state = addr_confirmed, + error = 0, + assoc_id = SbAssocId}} -> + {Loopback, Pa, [#sctp_sndrcvinfo{stream=Stream, assoc_id=SbAssocId}], - Data}} -> ok; - {ok,{Loopback, - Pa,[], - #sctp_paddr_change{addr = {Loopback,_}, - state = addr_available, - error = 0, - assoc_id = SbAssocId}}} -> - {ok,{Loopback, - Pa, - [#sctp_sndrcvinfo{stream=Stream, - assoc_id=SbAssocId}], - Data}} = gen_sctp:recv(Sb, infinity) + Data} = log_ok(gen_sctp:recv(Sb, infinity)) end, ?line ok = do_from_other_process( @@ -1081,10 +1112,10 @@ peeloff(Config, SockOpts) when is_list(Config) -> ?line ?LOGVAR(S2Ai), ?line S1Ai = receive - {S1,{Addr,P2, - #sctp_assoc_change{ - state=comm_up, - assoc_id=AssocId1}}} -> AssocId1 + {S1,{Addr,P2, + #sctp_assoc_change{ + state=comm_up, + assoc_id=AssocId1}}} -> AssocId1 after Timeout -> socket_bailout([S1,S2]) end, @@ -1112,8 +1143,8 @@ peeloff(Config, SockOpts) when is_list(Config) -> ?line P3 = case P3_X of 0 -> P1; _ -> P3_X end, ?line [{_,#sctp_paddrinfo{assoc_id=S3Ai,state=active}}] = socket_call(S3, - {getopts,[{sctp_get_peer_addr_info, - #sctp_paddrinfo{address={Addr,P2}}}]}), + {getopts,[{sctp_get_peer_addr_info, + #sctp_paddrinfo{address={Addr,P2}}}]}), %%?line S3Ai = S1Ai, ?line ?LOGVAR(S3Ai), %% @@ -1196,9 +1227,9 @@ buffers(Config) when is_list(Config) -> %% ?line socket_call(S1, {setopts,[{recbuf,Limit}]}), ?line Recbuf = - case socket_call(S1, {getopts,[recbuf]}) of - [{recbuf,RB1}] when RB1 >= Limit -> RB1 - end, + case socket_call(S1, {getopts,[recbuf]}) of + [{recbuf,RB1}] when RB1 >= Limit -> RB1 + end, ?line Data = mk_data(Recbuf+Limit), ?line socket_call(S2, {setopts,[{sndbuf,Recbuf+Limit}]}), ?line socket_call(S2, {send,S2Ai,Stream,Data}), @@ -1299,6 +1330,93 @@ open_multihoming_ipv4_and_ipv6_socket(Config) when is_list(Config) -> {skip, Reason} end. +names_unihoming_ipv4(doc) -> + "Test inet:socknames/peernames on unihoming IPv4 sockets"; +names_unihoming_ipv4(suite) -> + []; +names_unihoming_ipv4(Config) when is_list(Config) -> + ?line do_names(Config, inet, 1). + +names_unihoming_ipv6(doc) -> + "Test inet:socknames/peernames on unihoming IPv6 sockets"; +names_unihoming_ipv6(suite) -> + []; +names_unihoming_ipv6(Config) when is_list(Config) -> + ?line do_names(Config, inet6, 1). + +names_multihoming_ipv4(doc) -> + "Test inet:socknames/peernames on multihoming IPv4 sockets"; +names_multihoming_ipv4(suite) -> + []; +names_multihoming_ipv4(Config) when is_list(Config) -> + ?line do_names(Config, inet, 2). + +names_multihoming_ipv6(doc) -> + "Test inet:socknames/peernames on multihoming IPv6 sockets"; +names_multihoming_ipv6(suite) -> + []; +names_multihoming_ipv6(Config) when is_list(Config) -> + ?line do_names(Config, inet6, 2). + + + +do_names(_, FamilySpec, AddressCount) -> + Fun = + fun (ServerSocket, _, ServerAssoc, ClientSocket, _, ClientAssoc) -> + ?line ServerSocknamesNoassoc = + lists:sort(ok(inet:socknames(ServerSocket))), + ?line ?LOGVAR(ServerSocknamesNoassoc), + ?line ServerSocknames = + lists:sort(ok(inet:socknames(ServerSocket, ServerAssoc))), + ?line ?LOGVAR(ServerSocknames), + ?line [_|_] = + ordsets:intersection + (ServerSocknamesNoassoc, ServerSocknames), + ?line ClientSocknamesNoassoc = + lists:sort(ok(inet:socknames(ClientSocket))), + ?line ?LOGVAR(ClientSocknamesNoassoc), + ?line ClientSocknames = + lists:sort(ok(inet:socknames(ClientSocket, ClientAssoc))), + ?line ?LOGVAR(ClientSocknames), + ?line [_|_] = + ordsets:intersection + (ClientSocknamesNoassoc, ClientSocknames), + ?line err([einval,enotconn], inet:peernames(ServerSocket)), + ?line ServerPeernames = + lists:sort(ok(inet:peernames(ServerSocket, ServerAssoc))), + ?line ?LOGVAR(ServerPeernames), + ?line err([einval,enotconn], inet:peernames(ClientSocket)), + ?line ClientPeernames = + lists:sort(ok(inet:peernames(ClientSocket, ClientAssoc))), + ?line ?LOGVAR(ClientPeernames), + ?line ServerSocknames = ClientPeernames, + ?line ClientSocknames = ServerPeernames, + ?line {ok,Socket} = + gen_sctp:peeloff(ServerSocket, ServerAssoc), + ?line SocknamesNoassoc = + lists:sort(ok(inet:socknames(Socket))), + ?line ?LOGVAR(SocknamesNoassoc), + ?line Socknames = + lists:sort(ok(inet:socknames(Socket, ServerAssoc))), + ?line ?LOGVAR(Socknames), + ?line true = + ordsets:is_subset(SocknamesNoassoc, Socknames), + ?line Peernames = + lists:sort(ok(inet:peernames(Socket, ServerAssoc))), + ?line ?LOGVAR(Peernames), + ?line ok = gen_sctp:close(Socket), + ?line Socknames = ClientPeernames, + ?line ClientSocknames = Peernames, + ok + end, + ?line case get_addrs_by_family(FamilySpec, AddressCount) of + {ok, Addresses} when length(Addresses) =:= AddressCount -> + ?line do_open_and_connect(Addresses, hd(Addresses), Fun); + {error, Reason} -> + {skip, Reason} + end. + + get_addrs_by_family(Family, NumAddrs) -> case os:type() of @@ -1383,6 +1501,10 @@ f(F, A) -> lists:flatten(io_lib:format(F, A)). do_open_and_connect(ServerAddresses, AddressToConnectTo) -> + ?line Fun = fun (_, _, _, _, _, _) -> ok end, + ?line do_open_and_connect(ServerAddresses, AddressToConnectTo, Fun). +%% +do_open_and_connect(ServerAddresses, AddressToConnectTo, Fun) -> ?line ServerFamily = get_family_by_addrs(ServerAddresses), ?line io:format("Serving ~p addresses: ~p~n", [ServerFamily, ServerAddresses]), @@ -1393,14 +1515,26 @@ do_open_and_connect(ServerAddresses, AddressToConnectTo) -> ?line ClientFamily = get_family_by_addr(AddressToConnectTo), ?line io:format("Connecting to ~p ~p~n", [ClientFamily, AddressToConnectTo]), - ?line S2 = ok(gen_sctp:open(0, [ClientFamily])), + ?line ClientOpts = + [ClientFamily | + case ClientFamily of + inet6 -> + [{ipv6_v6only,true}]; + _ -> + [] + end], + ?line S2 = ok(gen_sctp:open(0, ClientOpts)), + log(open), %% Verify client can connect - ?line #sctp_assoc_change{state=comm_up} = + ?line #sctp_assoc_change{state=comm_up} = S2Assoc = ok(gen_sctp:connect(S2, AddressToConnectTo, P1, [])), + log(comm_up), %% verify server side also receives comm_up from client - ?line recv_comm_up_eventually(S1), + ?line S1Assoc = recv_comm_up_eventually(S1), + ?line Result = Fun(S1, ServerFamily, S1Assoc, S2, ClientFamily, S2Assoc), ?line ok = gen_sctp:close(S2), - ?line ok = gen_sctp:close(S1). + ?line ok = gen_sctp:close(S1), + Result. %% If at least one of the addresses is an ipv6 address, return inet6, else inet. get_family_by_addrs(Addresses) -> @@ -1415,9 +1549,11 @@ get_family_by_addr(Addr) when tuple_size(Addr) =:= 8 -> inet6. recv_comm_up_eventually(S) -> ?line case ok(gen_sctp:recv(S)) of - {_Addr, _Port, _Info, #sctp_assoc_change{state=comm_up}} -> - ok; - {_Addr, _Port, _Info, _OtherSctpMsg} -> + {_Addr, _Port, _Info, + #sctp_assoc_change{state=comm_up} = Assoc} -> + Assoc; + {_Addr, _Port, _Info, _OtherSctpMsg} = Msg -> + ?line log({unexpected,Msg}), ?line recv_comm_up_eventually(S) end. @@ -1476,10 +1612,10 @@ socket_bailout([]) -> socket_history({State,Flush}) -> {lists:keysort( - 2, - lists:flatten( - [[{Key,Val} || Val <- Vals] - || {Key,Vals} <- gb_trees:to_list(State)])), + 2, + lists:flatten( + [[{Key,Val} || Val <- Vals] + || {Key,Vals} <- gb_trees:to_list(State)])), Flush}. s_handler(Socket) -> @@ -1562,7 +1698,7 @@ s_loop(Socket, Timeout, Parent, Handler, State) -> #sctp_assoc_change{ state=comm_up, inbound_streams=Is}}}|_] - when 0 =< Stream, Stream < Is-> ok; + when 0 =< Stream, Stream < Is-> ok; [] -> ok end, Key = {msg,AssocId,Stream}, @@ -1582,7 +1718,7 @@ s_loop(Socket, Timeout, Parent, Handler, State) -> case {gb_get(Key, State),St} of {[],_} -> ok; {[{_,{Addr,Port,#sctp_assoc_change{state=comm_up}}}|_],_} - when St =:= comm_lost; St =:= shutdown_comp -> ok + when St =:= comm_lost; St =:= shutdown_comp -> ok end, NewState = gb_push(Key, Val, State), Parent ! {self(),{Addr,Port,SAC}}, @@ -1598,8 +1734,9 @@ s_loop(Socket, Timeout, Parent, Handler, State) -> [] -> ok end, case {gb_get({assoc_change,AssocId}, State),St} of - {[{_,{Addr,Port,#sctp_assoc_change{state=comm_up}}}|_], - addr_available} -> ok; + {[{_,{Addr,Port,#sctp_assoc_change{state=comm_up}}}|_],_} + when St =:= addr_available; + St =:= addr_confirmed -> ok; {[],addr_confirmed} -> ok end, Key = {paddr_change,AssocId}, |